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/**
* @file rekey_ike_sa.h
*
* @brief Interface of transaction rekey_ike_sa.
*
*/
/*
* Copyright (C) 2006 Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef REKEY_IKE_SA_H
#define REKEY_IKE_SA_H
#include <sa/ike_sa.h>
#include <sa/transactions/transaction.h>
#include <crypto/diffie_hellman.h>
typedef struct rekey_ike_sa_t rekey_ike_sa_t;
/**
* @brief A transaction to rekey an established IKE_SA
*
* @b Constructors:
* - rekey_ike_sa_create()
* - transaction_create() with the appropriate message
*
* @ingroup transactions
*/
struct rekey_ike_sa_t {
/**
* The transaction_t interface.
*/
transaction_t transaction;
/**
* @brief Set the Diffie Hellman group to use for initiating.
*
* If a first exchange fails with a INVALID_KE_PAYLOAD, the second
* try uses the DH group proposed by the responder.
*
* @param this calling object
* @param dh_group diffie hellman group to use
*/
void (*use_dh_group) (rekey_ike_sa_t* this, diffie_hellman_group_t dh_group);
/**
* @brief Cancel the request.
*
* Cancelling the request will set a flag in the transaction.
*
* @param this calling object
* @param child_sa CHILD_SA to rekey
*/
void (*cancel) (rekey_ike_sa_t* this);
};
/**
* @brief Create a new transaction to rekey an existing IKE_SA.
*
* @param ike_sa existing IKE_SA
* @return created rekey_ike_sa transaction
*
* @ingroup transactions
*/
rekey_ike_sa_t *rekey_ike_sa_create(ike_sa_t *ike_sa);
#endif /* REKEY_IKE_SA_H */
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